156 
Moorland Vegetation, 27 
Mountain Vegetation. See Alpine 
a Ash, 109 
Mosses, 12, 20 
Mullein, 76, 127. Fig. 44 
? 
Nasturtium, 13, 103 
Nettle, 18 
Neottia, 140 ie 
Nightshade, Woody, 13, 124. Fig 
To9 
Nitrogen, absorption of, 14, 70, 
ee NOE 
Nottingham Catchfly, 97 
O 
Oak, 6).25,-36 28. 76, 191, 194 
Figs. 119, 127, 128 
Oleander, 75, 77 
Ophrys, 140 
Orchidacez, 19, 85, 136- 140. Figs. 
131-134 
_ Orchis, Early 
Purple, 
Figs. 131, 132 
136-139. 
Orders, Natural, 88-146. Figs. 57- 
140 
Ornithopus, 105. Fig. 78 
Palms, 77 
Papaveracex, 92-94. Figs. 
Parasitic Plants, 13, 17, 18 
Parenchyma, 47. ¥i ig. 12 
Parsnip, 112 
Pasture Vegetation, 26, 29 
Pea, 14. 105 
Peach, 75 
Pear, 109 
Pelargonium, 103 
Pennyeress, 94 
Pennywort, 33 
55 Marsh, 111 
Petunia, 126 
Pimpernel, 119, 120. Fig. 105 
x Bog, a2, 120 
Pimpinella, 112 
Pinus. See Scotch Fir 
Pitcher-Plant, 15. -Fig. 1 
Plant Associations, 7, 25-33 
Plum, 107 
Poplar, 17, 18, 181, 135. 
129, 130 
Polycarpon, 97 
Pome, 108 
60, 61 
Figs. 



INDEX 
Poudweed, 30 
Poppy, Corn, 92. Fig. 60 
47. Horned, 93. 
57 2 Prekly,-94 
Potentillese, 108, 110 
Poteriez, 107 
Primulacee, 118- 120. 
105 
Privet, 131 
Protococcus, 41. 
Prune, 107 . 
Psamma, 146 
Fig. 61 
Figs. 102- 
Figs. 5, 6 
Quince, 109 
R 
Radish, 95. Fig. 62 
Ragged Robin, 08 
Rainfall, influence of, 4, 20, 27 
Ranunculacee, 39-92. Figs. 57- 
59 
Raspberry, 108 
Rattle, Red, 82,127. Fig. 114 
5) Yellow, 32, 127 
Root, 11, 65-71. Figs. 34-40 
,, Leguminous, 70. Fig. 40 
Rosacee, 107-110. Figs, 83-87 
Rosez, 107 
S 
Sage, 129. Fig. 117 
Sainfoin, 104, 105. Fig. 75 
Salicinee, 131,135. Figs. 129, 180 
Salicornia, 11, 62. Fig. 31 
Sandworts, 97 
Saprophytes, 13, 19, 29,140 
Saxifrages, 20, ae 
Scarlet “Runner, 13, 14, 105. 
Schizocarp, 110. Fig. 88 
Scotch Fir, 28, 78, 79-83. Figs. 
45-52 , 
Scrophulariacez, 17, 127, 128, 130. 
Figs, 114-116 
Scurvy-grass, 5 
Sea-Aster, 118 
Sea-Holly, 112 
Sea-Purslane, 97 
Sea-Rocket, 95.. Fig, 63 
Sea-Samphire, 112 
Sea-Starwort, 32 
Seashore Vegetation, 5, 8, 37, 76 
Sedges, 31 
Seeds, dispersion of, 24, 102, 105, 
119 
Self-heal, 130 
